CVE-2023-53616 (GCVE-0-2023-53616)

Vulnerability from cvelistv5 – Published: 2025-10-04 15:44 – Updated: 2026-05-11 19:48
VLAI
Title
jfs: fix invalid free of JFS_IP(ipimap)->i_imap in diUnmount
Summary
In the Linux kernel, the following vulnerability has been resolved: jfs: fix invalid free of JFS_IP(ipimap)->i_imap in diUnmount syzbot found an invalid-free in diUnmount: BUG: KASAN: double-free in slab_free mm/slub.c:3661 [inline] BUG: KASAN: double-free in __kmem_cache_free+0x71/0x110 mm/slub.c:3674 Free of addr ffff88806f410000 by task syz-executor131/3632 CPU: 0 PID: 3632 Comm: syz-executor131 Not tainted 6.1.0-rc7-syzkaller-00012-gca57f02295f1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106 print_address_description+0x74/0x340 mm/kasan/report.c:284 print_report+0x107/0x1f0 mm/kasan/report.c:395 kasan_report_invalid_free+0xac/0xd0 mm/kasan/report.c:460 ____kasan_slab_free+0xfb/0x120 kasan_slab_free include/linux/kasan.h:177 [inline] slab_free_hook mm/slub.c:1724 [inline] slab_free_freelist_hook+0x12e/0x1a0 mm/slub.c:1750 slab_free mm/slub.c:3661 [inline] __kmem_cache_free+0x71/0x110 mm/slub.c:3674 diUnmount+0xef/0x100 fs/jfs/jfs_imap.c:195 jfs_umount+0x108/0x370 fs/jfs/jfs_umount.c:63 jfs_put_super+0x86/0x190 fs/jfs/super.c:194 generic_shutdown_super+0x130/0x310 fs/super.c:492 kill_block_super+0x79/0xd0 fs/super.c:1428 deactivate_locked_super+0xa7/0xf0 fs/super.c:332 cleanup_mnt+0x494/0x520 fs/namespace.c:1186 task_work_run+0x243/0x300 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x664/0x2070 kernel/exit.c:820 do_group_exit+0x1fd/0x2b0 kernel/exit.c:950 __do_sys_exit_group kernel/exit.c:961 [inline] __se_sys_exit_group kernel/exit.c:959 [inline] __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:959 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd [...] JFS_IP(ipimap)->i_imap is not setting to NULL after free in diUnmount. If jfs_remount() free JFS_IP(ipimap)->i_imap but then failed at diMount(). JFS_IP(ipimap)->i_imap will be freed once again. Fix this problem by setting JFS_IP(ipimap)->i_imap to NULL after free.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < c3c0f0ddd851b3fa3e9d3450bbcd561f4f850469 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 114ea3cb13ab25f7178cb60283adb93d2f96dad7 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 5873df0195124be2f357de11bfd473ead4f90ed8 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 756747d4b439e3e1159282ae89f17eefebbe9b25 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < ef7311101ca43dd73b45bca7a30ac72d9535ff87 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 4de3a603010e0ca334487de24c6aab0777b7f808 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 88484bde6f12126616b38e43b6c00edcd941f615 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 6e2bda2c192d0244b5a78b787ef20aa10cb319b7 (git)
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Linux Linux Affected: 2.6.12
Unaffected: 0 , < 2.6.12 (semver)
Unaffected: 4.14.326 , ≤ 4.14.* (semver)
Unaffected: 4.19.295 , ≤ 4.19.* (semver)
Unaffected: 5.4.257 , ≤ 5.4.* (semver)
Unaffected: 5.10.197 , ≤ 5.10.* (semver)
Unaffected: 5.15.133 , ≤ 5.15.* (semver)
Unaffected: 6.1.55 , ≤ 6.1.* (semver)
Unaffected: 6.5.5 , ≤ 6.5.* (semver)
Unaffected: 6.6 , ≤ * (original_commit_for_fix)
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{
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          "programFiles": [
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njfs: fix invalid free of JFS_IP(ipimap)-\u003ei_imap in diUnmount\n\nsyzbot found an invalid-free in diUnmount:\n\nBUG: KASAN: double-free in slab_free mm/slub.c:3661 [inline]\nBUG: KASAN: double-free in __kmem_cache_free+0x71/0x110 mm/slub.c:3674\nFree of addr ffff88806f410000 by task syz-executor131/3632\n\n CPU: 0 PID: 3632 Comm: syz-executor131 Not tainted 6.1.0-rc7-syzkaller-00012-gca57f02295f1 #0\n Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022\n Call Trace:\n  \u003cTASK\u003e\n  __dump_stack lib/dump_stack.c:88 [inline]\n  dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106\n  print_address_description+0x74/0x340 mm/kasan/report.c:284\n  print_report+0x107/0x1f0 mm/kasan/report.c:395\n  kasan_report_invalid_free+0xac/0xd0 mm/kasan/report.c:460\n  ____kasan_slab_free+0xfb/0x120\n  kasan_slab_free include/linux/kasan.h:177 [inline]\n  slab_free_hook mm/slub.c:1724 [inline]\n  slab_free_freelist_hook+0x12e/0x1a0 mm/slub.c:1750\n  slab_free mm/slub.c:3661 [inline]\n  __kmem_cache_free+0x71/0x110 mm/slub.c:3674\n  diUnmount+0xef/0x100 fs/jfs/jfs_imap.c:195\n  jfs_umount+0x108/0x370 fs/jfs/jfs_umount.c:63\n  jfs_put_super+0x86/0x190 fs/jfs/super.c:194\n  generic_shutdown_super+0x130/0x310 fs/super.c:492\n  kill_block_super+0x79/0xd0 fs/super.c:1428\n  deactivate_locked_super+0xa7/0xf0 fs/super.c:332\n  cleanup_mnt+0x494/0x520 fs/namespace.c:1186\n  task_work_run+0x243/0x300 kernel/task_work.c:179\n  exit_task_work include/linux/task_work.h:38 [inline]\n  do_exit+0x664/0x2070 kernel/exit.c:820\n  do_group_exit+0x1fd/0x2b0 kernel/exit.c:950\n  __do_sys_exit_group kernel/exit.c:961 [inline]\n  __se_sys_exit_group kernel/exit.c:959 [inline]\n  __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:959\n  do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n  do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80\n  entry_SYSCALL_64_after_hwframe+0x63/0xcd\n[...]\n\nJFS_IP(ipimap)-\u003ei_imap is not setting to NULL after free in diUnmount.\nIf jfs_remount() free JFS_IP(ipimap)-\u003ei_imap but then failed at diMount().\nJFS_IP(ipimap)-\u003ei_imap will be freed once again.\nFix this problem by setting JFS_IP(ipimap)-\u003ei_imap to NULL after free."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:48:36.219Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/c3c0f0ddd851b3fa3e9d3450bbcd561f4f850469"
        },
        {
          "url": "https://git.kernel.org/stable/c/114ea3cb13ab25f7178cb60283adb93d2f96dad7"
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        {
          "url": "https://git.kernel.org/stable/c/88484bde6f12126616b38e43b6c00edcd941f615"
        },
        {
          "url": "https://git.kernel.org/stable/c/6e2bda2c192d0244b5a78b787ef20aa10cb319b7"
        }
      ],
      "title": "jfs: fix invalid free of JFS_IP(ipimap)-\u003ei_imap in diUnmount",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53616",
    "datePublished": "2025-10-04T15:44:23.056Z",
    "dateReserved": "2025-10-04T15:40:38.481Z",
    "dateUpdated": "2026-05-11T19:48:36.219Z",
    "state": "PUBLISHED"
  },
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  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-53616",
      "date": "2026-06-08",
      "epss": "0.00014",
      "percentile": "0.02614"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-53616\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-10-04T16:15:58.460\",\"lastModified\":\"2026-03-17T13:54:04.443\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\njfs: fix invalid free of JFS_IP(ipimap)-\u003ei_imap in diUnmount\\n\\nsyzbot found an invalid-free in diUnmount:\\n\\nBUG: KASAN: double-free in slab_free mm/slub.c:3661 [inline]\\nBUG: KASAN: double-free in __kmem_cache_free+0x71/0x110 mm/slub.c:3674\\nFree of addr ffff88806f410000 by task syz-executor131/3632\\n\\n CPU: 0 PID: 3632 Comm: syz-executor131 Not tainted 6.1.0-rc7-syzkaller-00012-gca57f02295f1 #0\\n Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022\\n Call Trace:\\n  \u003cTASK\u003e\\n  __dump_stack lib/dump_stack.c:88 [inline]\\n  dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106\\n  print_address_description+0x74/0x340 mm/kasan/report.c:284\\n  print_report+0x107/0x1f0 mm/kasan/report.c:395\\n  kasan_report_invalid_free+0xac/0xd0 mm/kasan/report.c:460\\n  ____kasan_slab_free+0xfb/0x120\\n  kasan_slab_free include/linux/kasan.h:177 [inline]\\n  slab_free_hook mm/slub.c:1724 [inline]\\n  slab_free_freelist_hook+0x12e/0x1a0 mm/slub.c:1750\\n  slab_free mm/slub.c:3661 [inline]\\n  __kmem_cache_free+0x71/0x110 mm/slub.c:3674\\n  diUnmount+0xef/0x100 fs/jfs/jfs_imap.c:195\\n  jfs_umount+0x108/0x370 fs/jfs/jfs_umount.c:63\\n  jfs_put_super+0x86/0x190 fs/jfs/super.c:194\\n  generic_shutdown_super+0x130/0x310 fs/super.c:492\\n  kill_block_super+0x79/0xd0 fs/super.c:1428\\n  deactivate_locked_super+0xa7/0xf0 fs/super.c:332\\n  cleanup_mnt+0x494/0x520 fs/namespace.c:1186\\n  task_work_run+0x243/0x300 kernel/task_work.c:179\\n  exit_task_work include/linux/task_work.h:38 [inline]\\n  do_exit+0x664/0x2070 kernel/exit.c:820\\n  do_group_exit+0x1fd/0x2b0 kernel/exit.c:950\\n  __do_sys_exit_group kernel/exit.c:961 [inline]\\n  __se_sys_exit_group kernel/exit.c:959 [inline]\\n  __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:959\\n  do_syscall_x64 arch/x86/entry/common.c:50 [inline]\\n  do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80\\n  entry_SYSCALL_64_after_hwframe+0x63/0xcd\\n[...]\\n\\nJFS_IP(ipimap)-\u003ei_imap is not setting to NULL after free in diUnmount.\\nIf jfs_remount() free JFS_IP(ipimap)-\u003ei_imap but then failed at diMount().\\nJFS_IP(ipimap)-\u003ei_imap will be freed once again.\\nFix this problem by setting JFS_IP(ipimap)-\u003ei_imap to NULL after free.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-415\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.6.12.1\",\"versionEndExcluding\":\"4.14.326\",\"matchCriteriaId\":\"9D1E9BD5-9AE9-4BE0-A168-F809FE0734C2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.295\",\"matchCriteriaId\":\"D419C7D6-F33D-4EF8-8950-1CB5DDF6A55D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.257\",\"matchCriteriaId\":\"834BD148-28EC-43A4-A4F5-458124A1E39F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.197\",\"matchCriteriaId\":\"FD17EA9A-DF74-4876-AADC-C204F0716961\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.133\",\"matchCriteriaId\":\"21236FF3-9B2C-4C1A-8780-BC5BCA44AA51\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.55\",\"matchCriteriaId\":\"0EFCF8E8-5528-46B9-8C17-B09792899CE0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.5.5\",\"matchCriteriaId\":\"8CF71E85-DA24-4925-95C5-E5C15DA71AE6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:2.6.12:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"6F62EECE-8FB1-4D57-85D8-CB9E23CF313C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:2.6.12:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4F76C298-81DC-43E4-8FC9-DC005A2116EF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:2.6.12:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"0AB349B2-3F78-4197-882B-90ADB3BF645A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:2.6.12:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"6AC88830-A9BC-4607-B572-A4B502FC9FD0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:2.6.12:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"476CB3A5-D022-4F13-AAEF-CB6A5785516A\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/114ea3cb13ab25f7178cb60283adb93d2f96dad7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/4de3a603010e0ca334487de24c6aab0777b7f808\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/5873df0195124be2f357de11bfd473ead4f90ed8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6e2bda2c192d0244b5a78b787ef20aa10cb319b7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/756747d4b439e3e1159282ae89f17eefebbe9b25\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/88484bde6f12126616b38e43b6c00edcd941f615\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c3c0f0ddd851b3fa3e9d3450bbcd561f4f850469\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ef7311101ca43dd73b45bca7a30ac72d9535ff87\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.